22002440052 has 24 divisors (see below), whose sum is σ = 51344596800. Its totient is φ = 7333350976.

The previous prime is 22002439997. The next prime is 22002440071. The reversal of 22002440052 is 25004420022.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21649 + ... + 210887.

It is an arithmetic number, because the mean of its divisors is an integer number (2139358200).

Almost surely, 2^22002440052 is an apocalyptic number.

It is an amenable number.

22002440052 is an abundant number, since it is smaller than the sum of its proper divisors (29342156748).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22002440052 is a wasteful number, since it uses less digits than its factorization.

22002440052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198935 (or 198933 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

Adding to 22002440052 its reverse (25004420022), we get a palindrome (47006860074).

The spelling of 22002440052 in words is "twenty-two billion, two million, four hundred forty thousand, fifty-two".